Larch sponge

Authors: Prof. Dr. med. Peter Altmeyer, Prof. Dr. med. Martina Bacharach-Buhles

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Last updated on: 09.02.2026

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Synonym(s)

fomes officinalis; laricious fomes; Polyporus officinalis; Purge Sponge

Definition
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General information
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Fungus laricis is popularly used as a laxative, for rheumatism and lung complaints. An antitumor effect of extracts has been demonstrated experimentally (Hu M et al. 2013).

Fomes officinalis extract, an extract from the larch sponge, is used in cosmetic formulations.

Ingredient(s)
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Aragicic acid (up to 18%), resins, various polysaccharides, triterpenes, ricinoleic acid, oxalic acids, phosphoric acid, gum, waxes, bitter substances (Wu X et al. 2009).

Literature
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  1. Hu M et al (2013) Extraction of polysaccharides from Fomes officinalis Ames and their antitumor activity. Exp Ther Med 6:451-454.
  2. Wu X et al.(2009) Four new triterpenes from fungus of Fomes officinalis. Chem Pharm Bull (Tokyo) 57:195-197.